Sandvik Asia JN Engineer Interview Questions and Answers

Q1. Elevator related
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Q2. Regarding servicing of VFDs
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Q1. Identification of error
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Q2. Repairing
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A topic they will given to us and we should talk it about 1 min

Q1. There two students sit each other back to back. One diagram will given one have to describe and another one have to draw hearing the describe & vice versa
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Q1. What id diode ?
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A diode is an electronic component that allows current to flow in one direction and blocks it in the opposite direction.
• Diodes are made of semiconductor materials, such as silicon or germanium.

• They have two terminals: an anode (positive terminal) and a cathode (negative terminal).

• When a diode is forward-biased, it allows current to flow through it.

• When a diode is reverse-biased, it blocks the current.

• Diodes are commonl...read more
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Q2. Draw the diagram of diode
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A diode is a two-terminal electronic component that allows current to flow in one direction and blocks it in the opposite direction.
• A diode has an anode and a cathode terminal.

• It is represented by a triangle with a line at the base.

• The arrowhead of the triangle points towards the cathode terminal.

• The line at the base represents the anode terminal.

• The symbol of a diode is often accompanied by its part number or label.
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Q3. Compare conductor insulator semiconductor
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Conductor, insulator, and semiconductor are materials with different electrical conductivity properties.
• Conductor: Materials that allow the flow of electric current easily. Examples: copper, aluminum.

• Insulator: Materials that do not allow the flow of electric current. Examples: rubber, glass.

• Semiconductor: Materials with intermediate conductivity. Examples: silicon, germanium.
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Q1. Technical questions related to your stream
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Q1. Oil and gas industry rotating equipments experience must
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Q2. Explain about pumps, fans , gearbox compressor motor generator
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Pumps, fans, gearboxes, compressors, motors, and generators are essential components in various mechanical systems.
• Pumps are used to move fluids, such as water or oil, through a system.

• Fans are used to create airflow for cooling or ventilation purposes.

• Gearboxes are used to transmit power from one component to another at different speeds or torques.

• Compressors are used to increase the pressure of a gas, such as in air ...read more
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Q3. Explain data collection process
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Data collection process involves gathering, recording, and storing information for analysis and decision-making.
• Identify the data needed for analysis

• Determine the method of data collection (surveys, interviews, observations, etc.)

• Collect data using appropriate tools and techniques

• Ensure data accuracy and reliability

• Store data securely for future reference

• Analyze collected data to draw conclusions and make decisions
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Q4. Explain team management & work management
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Q5. Explain condition monitoring all tools
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Condition monitoring of tools involves regularly checking and analyzing the performance and health of tools to prevent breakdowns.
• Regularly inspect tools for signs of wear and tear

• Use sensors to monitor tool performance in real-time

• Analyze data collected to predict potential failures

• Implement preventive maintenance based on monitoring results
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Q1. Which direction motor run
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The direction a motor runs depends on the type of motor and the wiring configuration.
• The direction of rotation can be determined by the motor's design and the direction of the current flow.

• Some motors can run in both clockwise and counterclockwise directions depending on the wiring.

• Reversing the polarity of the power supply can change the direction of rotation in some motors.
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Q2. How made delta connection in motor terminal box
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Delta connection in motor terminal box is made by connecting the three motor terminals in a triangular configuration.
• Connect the three motor terminals labeled U, V, and W in a triangular configuration.

• Ensure proper insulation and secure connections to prevent short circuits.

• Use appropriate tools and follow manufacturer's guidelines for wiring.

• Double check the connections before powering up the motor to avoid damage.

• Con...read more
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Q1. What is 5S rule
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5S is a workplace organization method that improves efficiency and safety through five key steps: Sort, Set in order, Shine, Standardize, Sustain.
• Sort: Remove unnecessary items from the workspace. Example: Discard old tools that are no longer used.

• Set in order: Organize tools and materials for easy access. Example: Label shelves and drawers for quick identification.

• Shine: Clean the workspace regularly to maintain a tid...read more
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Q2. Whai is hooks law
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Q1. Tell me something about yourself
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Q2. Core subjects related questions
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Q3. Situation round
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Q4. Group discussion
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Q5. Technical round
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